Require a django-pipeline 1.2.x release.
Require a django-pipeline 1.2.x release.

django-pipeline 1.3 dropped support for Python 2.5 and, for reasons we
haven't yet identified, broke production installs. We now require a
1.2.x release (1.2.24 being the new minimum).

1tush/reviewboard,davidt/reviewboard,reviewboard/reviewboard,chipx86/reviewboard,beol/reviewboard,brennie/reviewboard,sgallagher/reviewboard,chipx86/reviewboard,sgallagher/reviewboard,1tush/reviewboard,KnowNo/reviewboard,bkochendorfer/reviewboard,davidt/reviewboard,1tush/reviewboard,1tush/reviewboard,bkochendorfer/reviewboard,custode/reviewboard,beol/reviewboard,reviewboard/reviewboard,reviewboard/reviewboard,1tush/reviewboard,KnowNo/reviewboard,1tush/reviewboard,custode/reviewboard,davidt/reviewboard,beol/reviewboard,KnowNo/reviewboard,bkochendorfer/reviewboard,beol/reviewboard,1tush/reviewboard,davidt/reviewboard,chipx86/reviewboard,1tush/reviewboard,brennie/reviewboard,bkochendorfer/reviewboard,custode/reviewboard,sgallagher/reviewboard,sgallagher/reviewboard,custode/reviewboard,KnowNo/reviewboard,chipx86/reviewboard,1tush/reviewboard,brennie/reviewboard,brennie/reviewboard,reviewboard/reviewboard